E11 on display, interior lights or control panel may flicker, unit may shut off unexpectedly

Safety first: Turn off the circuit breaker or unplug the refrigerator before inspecting the power cord or control board.

Steps:

• Check outlet: Plug a lamp or other small appliance into the same outlet to verify stable power. If it flickers, contact an electrician.
• Inspect power cord: Look for cuts, crushed sections, or burn marks. If damaged, replace the cord or have a technician do so.
• Use a surge protector: If local power is unstable, connect the refrigerator through a heavy-duty surge protector rated for appliances (if allowed by local code and manufacturer guidance).
• Inspect control board: Remove the access cover and visually inspect the board for burnt components or cracked solder joints.
• Replace board if needed: If E11 persists and household power is stable, the internal power supply on the main board may be defective and require replacement.

Warning: Never bypass fuses or safety devices on the control board.